7962643 has 4 divisors (see below), whose sum is σ = 8575168. Its totient is φ = 7350120.

The previous prime is 7962641. The next prime is 7962677. The reversal of 7962643 is 3462697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3462697 = 7 ⋅494671.

It is a cyclic number.

It is not a de Polignac number, because 7962643 - 2¹ = 7962641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7962641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306243 + ... + 306268.

It is an arithmetic number, because the mean of its divisors is an integer number (2143792).

Almost surely, 2^7962643 is an apocalyptic number.

7962643 is a deficient number, since it is larger than the sum of its proper divisors (612525).

7962643 is a wasteful number, since it uses less digits than its factorization.

7962643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612524.

The product of its digits is 54432, while the sum is 37.

The square root of 7962643 is about 2821.8155503151. The cubic root of 7962643 is about 199.6882058413.

The spelling of 7962643 in words is "seven million, nine hundred sixty-two thousand, six hundred forty-three".